1, (0,25 - \(x\)) : - \(\dfrac{3}{5}\) = - \(\dfrac{3}{4}\)
0,25 - \(x\) = - \(\dfrac{3}{4}\) x (- \(\dfrac{3}{5}\))
0,25 - \(x\) = \(\dfrac{9}{20}\)
\(x\) = 0,25 - 0,45
\(x\) = - 0,2
2, - \(\dfrac{3}{8}\)\(x\) - 0,75 = - 1\(\dfrac{1}{2}\)
- \(\dfrac{3}{8}\)\(x\) - 0,75 = -1,5
\(\dfrac{3}{8}\)\(x\) = - 0,75 + 1,5
\(\dfrac{3}{8}\)\(x\) = 0,75
\(x\) = 0,75 : \(\dfrac{3}{8}\)
\(x\) = 2
3, \(\dfrac{3}{5}\)\(x\) + \(\dfrac{2}{3}\) = 2\(\dfrac{2}{3}\)
\(\dfrac{3}{5}\)\(x\) + \(\dfrac{2}{3}\) = \(\dfrac{8}{3}\)
\(\dfrac{3}{5}\)\(x\) = \(\dfrac{8}{3}\) - \(\dfrac{2}{3}\)
\(\dfrac{3}{5}\)\(x\) = 2
\(x\) = 2 : \(\dfrac{3}{5}\)
\(x\) = \(\dfrac{10}{3}\)
1)(0,25-x): -3/5=-3/4
0,25-x=-3/4+3/5
0,25-x= -3/20
1/4-x= -3/20
x=1/4 + 3/20
x=4/5
2) -3/8x - 0,75 = -1 1/2
-3/8x - 0,75 = -3/2
-3/8x = -3/2 + 0,75
-3/8x= -1,5 + 0,75
-3/8x= -0,75
x=-0,75: -3/8
x= 2